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In the IP address 177.100.18.4, the network portion is determined by the subnet mask. Without knowing the subnet mask, it is impossible to accurately determine the network portion. The network portion is used to identify the specific network to which the IP address belongs, helping in routing and communication between devices.

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ProfBot

1y ago

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What are two parts that make up network address called?

Network Portion Host Portion


What part of an IPv4 address specifies a particular network interface on the network?

The host portion specifies the particular network interface's address. The network portion specifies the network address.


What is network portion and host portion?

In an IP address, the network portion identifies the specific network to which a device belongs, while the host portion identifies the individual device within that network. This structure allows for efficient routing of data across the internet by segregating the address into parts that signify the network and the specific device. The division between the network and host portions is determined by the subnet mask, which specifies how many bits are allocated to each portion. For example, in the IP address 192.168.1.10 with a subnet mask of 255.255.255.0, "192.168.1" represents the network portion, and "10" represents the host portion.


How do you know how many bits represent the network portion and the host portion?

When we express an IPv4 network address, we add a prefix length to the network address. The prefix length is the number of bits in the address that gives us the network portion. For example, in 172.16.4.0 /24, the /24 is the prefix length - it tells us that the first 24 bits are the network address. This leaves the remaining 8 bits, the last octet, as the host portion.


What portion of the IP address does the prefix represent?

It represents the network portion


network portion of these addresses: 209.240.80.78?

This is a class C address. The network portion is the first three octets, so it would be 209.240.80.0.


A subnet mask can be divided into two descriptive sections what are the two sections called?

A subnet mask can be divided into two sections called the network portion and the host portion. The network portion identifies the specific network to which an IP address belongs, while the host portion identifies the individual device within that network. Together, these sections help determine how IP addresses are allocated and routed within a network.


What defines an IPv4 logical network?

Hosts with the same network portion of their IPv4 address.


What is unique about network IP addresses?

An IP address must be unique within a LAN; the combination of the network and host portion must present a number that is not duplicated anywhere else in the network. Outside of a LAN the IP addresses do not have to be unique, except that the network id portion can only be used by the organization that owns the IP network address. The host portion does not need to be unique across all LANs within an enterprise network.


What is the portion of a network in which collisions occur?

collision domain


How many bits are in the network portion of IPv6?

32


What is a device or connection on a network that were it to fail could cause the entire network or portion of the network to stop functioning?

modular router